The XML Family

1
The XML Family

• XML Specifications

2
XML

• XML 1.0
• Namespaces in XML 1.1
• XML Schema 1.0
• XInclude 1.0

3
XML 1.0 (3rd Edition)

• W3C Recommendation 6-Oct-2000
• A simple, very flexible text-based format derived
  from SGML
• All other technologies are designed to work with
  these documents
• XML 1.1 in development

4
Namespaces in XML 1.1

• W3C Recommendation 4-Feb-2004
• Describes how to use two different DTD or Schemas
  in the same XML Document
• Allows you to explicitly define which DTD or
  Schema the element comes from

5
XML Schema 1.0

• W3C Recommendation 2-May-2001
• XML Schemas express shared vocabularies and allow
  machines to carry out rules made by people.
• They provide a means for defining the structure,
  content and semantics of XML documents.
• XML Schema 1.1 in development

6
XInclude 1.0

• W3C Candidate Recommendation 30-Sept-2004
• Inclusion is accomplished by merging a number of
  XML information sets into a single composite
  infoset.
• Specification of the XML documents (infosets) to
  be merged and control over the merging process is
  expressed in XML-friendly syntax (elements,
  attributes, URI references).

7
XSL Family

• XSLT 1.0
• XSL-FO (XSL 1.0)
• XPath 2.0

8
XSLT 1.0

• W3C Recommendation 16-Nov-1999
• A language for transforming XML documents into
  other XML documents
• XSLT is designed for use as part of XSL, which is
  a stylesheet language for XML

9
XSL-FO

• W3C Recommendation 15-Oct-2001
• An XML vocabulary for specifying formatting
  semantics
• a.k.a. XSL 1.0

10
XPath 2.0

• W3C Recommendation 11-Feb-2005
• XPath is a language for addressing parts of an
  XML document, designed to be used by both XSLT
  and XPointer.

11
Misc. Specifications

• XForms
• XLink
• XPointer
• XQuery

12
XForms 1.0

• W3C Recommendation 14-Oct-2003
• Divides Forms into 3 parts
• Model
• Instance data
• User interface
• Separates presentation from content

13
XLink 1.0

• W3C Recommandation 27-Jun-2001
• Allows elements to be inserted into XML documents
  in order to create and describe links between
  resources
• Compare to Links in HTML On Steroids

14
XPointer 1.0

• W3C Recommendation 25-Mar-2003
• XPointer is used as the basis for a fragment
  identifier for any URI reference that locates a
  resource whose Internet media type is one of XML.

15
XQuery

• W3C Recommendation 11-Feb-2005
• Describes a language to provide flexible query
  facilities to extract data from real and virtual
  XML documents on the Web.
• It is also flexible enough to query a broad
  spectrum of XML information sources, including
  both databases and documents.